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https://issues.apache.org/jira/browse/HDFS-10224?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15254798#comment-15254798
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Xiaobing Zhou commented on HDFS-10224:
--------------------------------------
Patch v005 is posted with all your comments addressed, however,
AsyncDistributedFileSystem can not be initialized by member or constructor in
DistributedFileSystem, otherwise, we'll get NPE since DistributedFileSystem is
not fully initialized at that point. I choose to use singleton with weak
consistency. Thank you [~szetszwo].
> Implement asynchronous rename for DistributedFileSystem
> -------------------------------------------------------
>
> Key: HDFS-10224
> URL: https://issues.apache.org/jira/browse/HDFS-10224
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: fs
> Reporter: Xiaobing Zhou
> Assignee: Xiaobing Zhou
> Attachments: HDFS-10224-HDFS-9924.000.patch,
> HDFS-10224-HDFS-9924.001.patch, HDFS-10224-HDFS-9924.002.patch,
> HDFS-10224-HDFS-9924.003.patch, HDFS-10224-HDFS-9924.004.patch,
> HDFS-10224-HDFS-9924.005.patch, HDFS-10224-and-HADOOP-12909.000.patch
>
>
> This is proposed to implement an asynchronous DistributedFileSystem based on
> AsyncFileSystem APIs in HADOOP-12910. In addition, rename is implemented in
> this JIRA.
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